Here we can post all about Friendica - what we like, dislike and what tipps we have to solve issues 
How to set a profile picture:
Go to photos–˃ add a new photo by pressing on the plus sign –˃upload a photo (please note that currently the size of the photo is quite limited–˃ the sized can be used by using online tools, e.g. https://www.simpleimageresizer.com/; https://www.adobe.com/express/feature/image/resize) –˃ click on photo –˃ finally click on the ‘use as profile photo’ button (
) on the top right-hand side of the picture next to the delete button